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US 11,236,018 B2Granted
Hyaloclastite, sideromelane or tachylite pozzolan-based geopolymer cement and concrete and method of making and using same
OwnerRomeo Ilarian Ciupercainventor
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Abstract
The invention comprises a cementitious material comprising a natural pozzolan selected from hyaloclastite, sideromelane or tachylite, wherein the natural pozzolan has a volume-based mean particle size of less than or equal to 40 μm. The cementitious material also comprising an aqueous alkaline activating solution suitable for forming a geopolymer. A method making a cementitious material is also disclosed.
Claims20
A cementitious material comprising:
- a natural pozzolan selected from hyaloclastite, sideromelane, tachylite or combinations or mixtures thereof, wherein the natural pozzolan has a volume-based mean particle size of less than or equal to approximately 40 μm;
- and
- an aqueous alkaline activating solution suitable for forming a geopolymer.
A cementitious-based material comprising:
- aggregate;
- hyaloclastite having a volume-based mean particle size of less than or equal to approximately 40 μm;
- and
- an alkaline activating solution comprising:
- sodium hydroxide or potassium hydroxide;
- and
- water.
4 more elements
A cementitious-based material comprising:
- aggregate;
- hyaloclastite having a volume-based mean particle size of less than or equal to approximately 40 μm;
- and
- an alkaline activating solution suitable for forming a geopolymer comprising:
- a compound having a reactive hydroxyl group;
- and
- water.
4 more elements
Dependencies are inferred from the claim text.